What happened to Darryl Siry, the Tesla Motors marketing chief who left the electric-car startup abruptly last December? He's turned up as a cleantech analyst. And we've learned the real reason why he left.

Tesla Motors, once the best hope of Silicon Valley's nascent electric-car industry, is getting …
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What actually prompted his departure: Siry learned last fall that CEO Elon Musk planned to collect deposits from customers for Tesla's Model S Sedan, a car that exists only in prototype.

Why would that drive Siry to quit? Tesla has no factory to build the car, and no financing for it. Musk recently said that Tesla had gotten $350 million in loans from the government; in fact, it hadn't, a reality even Musk's own flack had to acknowledge. Taking deposits from customers under those circumstances in the hopes that everything will come together amounts to a fraud, Siry believed, and he wanted no part of it.

Silicon Valley is the land of dreams. Here's Elon Musk's dream: His electric-car startup…
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Valleywag first reported Musk's plans to take deposits from customers for the Model S. And sure enough, he's going ahead with them — taking $40,000 deposits starting next month, for a car he may never be able to deliver.